HI
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Horizon Investments’s Zai Lab ZLAB Stock Holding History

Horizon Investments’s Portfolio ZLAB Stock Details ZLAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-735
Closed -$13K – 1514
2025
Q4 		$13K Sell
735
-351
-32% -$8.22K ﹤0.01% 1160
2025
Q3 		$36.8K Buy
+1,086
New +$37.4K ﹤0.01% 1010

Other funds holding ZLAB

RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
FLSM
Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RSCM
Rock Springs Capital Management Baltimore, Maryland $2.05B AUM 161.37% 1-Year Est. Return
CWG
C WorldWide Group Copenhagen, Denmark $4.15B AUM 13.14% 1-Year Est. Return

Horizon Investments's ZLAB Position: Q1 2026 in Review

Horizon Investments sold out of Zai Lab (ZLAB) in Q1 2026, closing a stake of 735 shares — an estimated $13K sold.

Horizon Investments first reported a position in ZLAB in Q3 2025 and held it in 2 quarters. The position peaked at $36.8K in Q3 2025. 99 funds tracked by Wall St. Rank hold ZLAB as of Q1 2026.

  • Horizon Investments reported no remaining Zai Lab position as of Q1 2026 after selling out during the quarter.
  • Horizon Investments sold 735 Zai Lab shares in Q1 2026, an estimated $13K.
  • Horizon Investments first reported a position in Zai Lab in Q3 2025 and held it in 2 quarters.
  • Horizon Investments's Zai Lab position peaked at $36.8K in Q3 2025.
  • 99 funds tracked by Wall St. Rank held Zai Lab as of Q1 2026.

Based on Horizon Investments's 13F filing for Q1 2026, filed 15 May 2026.